To use these add-ons, you'll need to download Firefox.

Log in

14,366 extensions found in Appearance

Filter results
Search results
  • YouTube Actual Runtime

    YouTube Actual Runtime

    Shows the real time left based on playback speed.

    lrnewsom

    1 user

  • Confetti (Alt+Z)

    Confetti (Alt+Z)

    Trigger confetti animation with Alt+Z keyboard shortcut

    S.M. Obaydur Rahman

    1 user

  • Kick theater mode oled

    Kick theater mode oled

    Swap main video area and chat on Kick.com in theater mode with customizable interval

    Aeredy

    1 user

  • Chess Time Warnings

    Chess Time Warnings

    Audio warnings for chess time remaining on chess.com and lichess.org

    Edoardo

    1 user

  • MetaGroove

    MetaGroove

    Revolutionary smart browser extension you always wanted. Filter content on YouTube, YouTube Music & SoundCloud by Year, Duration, and more. Includes Exploration Mode to discover related gems without distractions, and labels to show exact upload year.

    TX-Breaker

    1 user

  • [President PussyGrabber]

    [President PussyGrabber]

    [Replaces instances of Donald Trump with 'Spanky McPussyGrabber']

    B. Westbrook

    1 user

  • Passport - beautiful new tab page

    Passport - beautiful new tab page

    A window to anywhere in the world, just a tab away. Get inspired with the best images from Unsplash, quotes from innovative thinkers, and practice mindful productivity by completing your Daily Intention.

    Michael Flores

    1 user

  • Port.hu Adblock Counterblocker

    Port.hu Adblock Counterblocker

    Removes Adblock blocking mechanism while browsing Port.hu Hu: A Porth.hu weboldal böngészhető Adblocker használatával egyidejűleg.

    Alien Technology

    1 user

  • Thesify

    Thesify

    A bookkeeping tool for the thesis topics of Kuleuven. Developed by Dirk Vanbeveren and Victor Engelen.

    Dirk

    1 user

  • Shopping Fake Headers

    Shopping Fake Headers

    The extension emulates different devices in the browser.

    Shopping Fake Headers

    1 user

  • Vista

    Vista

    A minimal and aesthetic new tab extension with nature backgrounds.

    Shashikanth Reddy Kolan

    1 user

  • Auto Dark Mode is

    Auto Dark Mode is

    Auto Dark Mode is a simple Firefox extension that automatically switches between light and dark themes based on the time of day. It helps reduce eye strain at night and provides a seamless browsing experience. Users can easily toggle the feature and

    Soc88bong

    1 user

  • MicroHabit Buddy

    MicroHabit Buddy

    A multi‑timer extension that runs multiple timers simultaneously with optional periodic intervals and sound alerts.

    Samu Sama

    1 user

  • Synonym Scramble

    Synonym Scramble

    A lively browser extension that challenges users to pick the correct synonym for a given word from two options. Perfect for language learners to boost vocabulary and synonym recognition through fun quizzes.

    Vaelric Moonshatter

    1 user

  • larger-slack-emojis

    larger-slack-emojis

    Make your Slack's custom emojis larger.

    Derek Alvarado

    1 user

  • Web Vandal: Persistent Stickers

    Web Vandal: Persistent Stickers

    Bomb the web with persistent stickers and GIFs. Your stickers stay exactly where you leave them on any website!

    bettymud

    1 user

  • Grayscale Filter

    Grayscale Filter

    Adds a grayscale filter to all webpages

    fab

    1 user

  • Daymap Dark Theme

    Daymap Dark Theme

    Adds a dark theme to the LMS DayMap used by South Australian public schools.

    Hello

    1 user

  • PDF Page Counter

    PDF Page Counter

    PDF Page Counter is a Firefox extension that quickly counts the total number of pages in a PDF file without requiring downloads or external software. It provides an efficient way to check page numbers directly within the browser

    Muhammad Zahid

    1 user

  • Quick Note Tab

    Quick Note Tab

    Take quick notes whenever you open a new tab.

    VZ99 - VZ99.COM Casino Truc Tuyen Uy Tin

    1 user

  • Trader Stylist

    Trader Stylist

    Simplify your trading and investing websites. Currently supported websites: https://investing.com/economic-calendar/ https://coinmarketcap.com

    holofinance

    1 user

  • گونشفای - شخصی ائو ائکرانی

    گونشفای - شخصی ائو ائکرانی

    گونشفای، آچیق قایناق و تامامیله پۇلسوز بیر اوزاندیرمادیر کی، هَر دفعه یئنی بیر وَب صفحه‌سی آچاندا، سیزین اوچون اؤزل و عاقیللی بیر ایش‌ صفحه‌سی آچیر...

    Mahmood Vahdatfar

    1 user

  • MacOS Mojave Dynamic Theme

    MacOS Mojave Dynamic Theme

    MacOS inspired Mojave dynamic theme that changes based on time.

    Karanvir

    1 user

  • Looi

    Looi

    A Minimal, Customisable New Tab page for Firefox, Chrome, and Edge.

    prinzpiuz

    1 user

  • Stremio Web Search Button for BestSimilar

    Stremio Web Search Button for BestSimilar

    Adds a Stremio Web search button and a Trakt search button to BestSimilar.com next to each movie name.

    lulul

    1 user